Overview
AD2/K9N=-K54 "Axient Digital AD Handheld Transmitter with KSM9 Microphone Cartridge Nickel (condenser, cardioid/supercardioid switchable), 24bit/48kHz converter, gain ranging, charging contacts, includes microphone clip, storage bag and 2 AA batteries, optional rechargea ble Li-Ion battery SB900B, frequency band K54 (606-663 MHz)"